html,
body {
  width: 100%;
  height: 100%;
  padding: 0;
  margin: 0;
  background-color: #fef6ef;
}
.main {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  font-family: 'PingFangSC';
}

.main canvas {
  margin: auto 0;
}

#backbar {
  position: absolute;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  box-sizing: border-box;
  padding: 0 calc(5%);
  z-index: 2;
  font-size: 2.83rem;
  text-align: center;
}

#backbar #backbutton,
#backbar #backtitle,
#backbar #playicon {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100%;
}

#backbar #playicon {
  background-image: url(../../images/点击播放.png);
  background-size: 80%;
  background-repeat: no-repeat;
  background-position: center;
}

#main .shadowPanel {
  position: absolute;
  top: 0;
  left: 0;
  background-color: rgba(0, 0, 0, 0.5);
  transform: rotate(90deg);
}

/* 通用的布局 */

.controlbox {
  display: flex;
  flex-direction: row;
  justify-content: space-around;
  align-items: center;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}

.replay,
.nextItem {
  position: relative;
  width: 100px;
  height: 100px;
}

.replay img,
.nextItem img {
  position: absolute;
  width: 100%;
  height: 100%;
  top: -20px;
  left: -5px;
}

.replay p,
.nextItem p {
  position: absolute;
  bottom: 3px;
  width: 100%;
  text-align: center;
  color: #fff;
  font-size: 2.25rem;
}
